| k | num | v's |
| zero_waste | 1 | yes (1), |
| zhb_code | 2 | 05BA010302 (2), |
| zip_left | 9 | 33304 (1), 33316 (6), 75051 (1), 75115 (1), |
| zip_right | 9 | 33304 (4), 33316 (3), 75051 (1), 75115 (1), |
| zone | 5 | 100 (1), 4000 (4), |
| zone:De_Lijn | 2 | 20 (1), 66 (1), |
| zone:HSL | 8 | D (8), |
| zone:TEC | 6 | 5810 (5), 6220 (1), |
| zone:maxspeed | 64 | 30 (4), DE:30 (19), EE:30 (8), FR:30 (28), NL:30 (5), |
| zone:traffic | 224 | BE-VLG:rural (2), BE-VLG:urban (1), DE:rural (3), DE:urban (22), DE:zone30 (1), NL:rural (44), NL:urban (149), urban (2), |
| zoning | 4 | commercial (4), |
| zoo | 2 | enclosure (1), petting_zoo (1), |